# type ForecastAdjustment (v202511)

**Service** **AdjustmentService** **Dependencies** [ForecastAdjustmentPage](https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.ForecastAdjustmentPage) [calculateDailyAdOpportunity...](https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService#calculateDailyAdOpportunityCounts "calculateDailyAdOpportunityCounts()") [createForecastAdjustments()](https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService#createForecastAdjustments) [updateForecastAdjustments()](https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService#updateForecastAdjustments) ▼ **ForecastAdjustment**

Provides information about the expected volume and composition of traffic over a date range for a
traffic forecast segment.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202511`

| ## Field ||
|---|---|
| ### `id` | ` xsd:long` The unique ID of the ForecastAdjustment. This field is read-only. This attribute is read-only. |
| ### `trafficForecastSegmentId` | ` xsd:long` The ID of the parent TrafficForecastSegment. This field is required and immutable after creation. This attribute is required. |
| ### `name` | ` xsd:string` Name of the ForecastAdjustment. This attribute is required. |
| ### `dateRange` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.DateRange ` The start and end date range of the adjustment. This attribute is required. |
| ### `status` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.ForecastAdjustmentStatus ` The status of the adjustment. Changes to this field should be made via `performForecastAdjustmentAction` This attribute is read-only. *** ** * ** *** **Enumerations** `UNKNOWN` :   The value returned if the actual value is not exposed by the requested API version. `ACTIVE` :   Indicates the current adjustment is active. `INACTIVE` :   Indicates the current adjustment is inactive. <br /> |
| ### `volumeType` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.ForecastAdjustmentVolumeType ` The volume type of the adjustment. *** ** * ** *** **Enumerations** `UNKNOWN` :   The value returned if the actual value is not exposed by the requested API version. `DAILY_VOLUME` :   Volume is defined by a series of daily ad opportunity counts. `TOTAL_VOLUME` :   Volume is defined by a single total ad opportunity count. `HISTORICAL_BASIS_VOLUME` :   Volume is defined by historical volume data. <br /> This attribute is required. |
| ### `allowAdjustingForecastAboveRecommendedLimit` | ` xsd:boolean` Whether to allow provided volume settings to increase the current forecast by more than 300%. Due to system constraints, adjusting the forecast by more than 300% may have unintended consequences for other parts of the forecast. Note that this field will not persist on the adjustment itself, and will only affect the current request. <br /> |
| ### `dailyVolumeSettings` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.DailyVolumeSettings ` The daily number of ad opportunities for each day in the adjustment date range. This field is required if `volumeType` is `ForecastAdjustmentVolumeType#DAILY_VOLUME` and ignored othewise. |
| ### `totalVolumeSettings` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.TotalVolumeSettings ` The total number of ad opportunities for the entire adjustment date range. This field is required if `volumeType` is `ForecastAdjustmentVolumeType#TOTAL_VOLUME` and ignored othewise. |
| ### `historicalBasisVolumeSettings` | ` https://developers.google.com/ad-manager/api/reference/v202511/AdjustmentService.HistoricalBasisVolumeSettings ` The daily number of ad opportunities for each day in the adjustment date range, determined by reference to the ad opportunity volume of a historical reference period. This field is required if `volumeType` is `ForecastAdjustmentVolumeType#HISTORICAL_BASIS_VOLUME` and ignored othewise. |
| ### `calculatedDailyAdOpportunityCounts` | ` xsd:long[]` The daily number of ad opportunities calculated to satisfy the provided volume settings. Each value in this list represents the calculated ad opportunities on the corresponding day of the adjustment date range. For example: for a `dateRange` of 2001-8-15 to 2001-8-17, this field will contain one value for 2001-8-15, one value for 2001-8-16, and one value for 2001-8-17. This field is read-only and is populated by Google after forecast adjustment creation or update. This attribute is read-only. <br /> |